As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ENGINE CRANKCASE HALVES ASSEMBLED WITH A CONSIDERABLE AMOUNT OF SEALANT BETWEEN THE MATING FACES OF THE MAIN BEARING PEDESTALS. THIS RESULTED IN CRANKCASE FRETTING AND BEARING MOVEMENT. PERSONNEL/MAINTENANCE ERROR. INCORRECT ASSEMBLY.